<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>      Copyright 2009-2010   Regents of the University of Colorado.<a name="line.2"></a>
<FONT color="green">003</FONT>     All rights reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>     Licensed under the Apache License, Version 2.0 (the "License");<a name="line.5"></a>
<FONT color="green">006</FONT>     you may not use this file except in compliance with the License.<a name="line.6"></a>
<FONT color="green">007</FONT>     You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>     Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.uimafit.util;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import java.lang.annotation.Annotation;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.lang.reflect.Field;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.util.ArrayList;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.util.Arrays;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.util.List;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    /**<a name="line.26"></a>
<FONT color="green">027</FONT>     * @author Philip Ogren<a name="line.27"></a>
<FONT color="green">028</FONT>     * @author Richard Eckart de Castilho<a name="line.28"></a>
<FONT color="green">029</FONT>     */<a name="line.29"></a>
<FONT color="green">030</FONT>    public final class ReflectionUtil {<a name="line.30"></a>
<FONT color="green">031</FONT>            <a name="line.31"></a>
<FONT color="green">032</FONT>            private ReflectionUtil() {<a name="line.32"></a>
<FONT color="green">033</FONT>                    // Library class<a name="line.33"></a>
<FONT color="green">034</FONT>            }<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>            /**<a name="line.36"></a>
<FONT color="green">037</FONT>             * Get all the fields for the class (and superclasses) of the passed in object<a name="line.37"></a>
<FONT color="green">038</FONT>             * <a name="line.38"></a>
<FONT color="green">039</FONT>             * @param aObject<a name="line.39"></a>
<FONT color="green">040</FONT>             *            any object will do<a name="line.40"></a>
<FONT color="green">041</FONT>             * @return the fields for the class of the object<a name="line.41"></a>
<FONT color="green">042</FONT>             */<a name="line.42"></a>
<FONT color="green">043</FONT>            public static List&lt;Field&gt; getFields(final Object aObject) {<a name="line.43"></a>
<FONT color="green">044</FONT>                    return getFields(aObject.getClass());<a name="line.44"></a>
<FONT color="green">045</FONT>            }<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>            /**<a name="line.47"></a>
<FONT color="green">048</FONT>             * Get all the fields for this class and all of its superclasses<a name="line.48"></a>
<FONT color="green">049</FONT>             * <a name="line.49"></a>
<FONT color="green">050</FONT>             * @param aClass<a name="line.50"></a>
<FONT color="green">051</FONT>             *            any class will do<a name="line.51"></a>
<FONT color="green">052</FONT>             * @return the fields for the class and all of its superclasses<a name="line.52"></a>
<FONT color="green">053</FONT>             */<a name="line.53"></a>
<FONT color="green">054</FONT>            public static List&lt;Field&gt; getFields(final Class&lt;?&gt; aClass) {<a name="line.54"></a>
<FONT color="green">055</FONT>                    Class&lt;?&gt; cls = aClass;<a name="line.55"></a>
<FONT color="green">056</FONT>                    final List&lt;Field&gt; fields = new ArrayList&lt;Field&gt;();<a name="line.56"></a>
<FONT color="green">057</FONT>                    while (!cls.equals(Object.class)) {<a name="line.57"></a>
<FONT color="green">058</FONT>                            final Field[] flds = cls.getDeclaredFields();<a name="line.58"></a>
<FONT color="green">059</FONT>                            fields.addAll(Arrays.asList(flds));<a name="line.59"></a>
<FONT color="green">060</FONT>                            cls = cls.getSuperclass();<a name="line.60"></a>
<FONT color="green">061</FONT>                    }<a name="line.61"></a>
<FONT color="green">062</FONT>                    return fields;<a name="line.62"></a>
<FONT color="green">063</FONT>            }<a name="line.63"></a>
<FONT color="green">064</FONT>            <a name="line.64"></a>
<FONT color="green">065</FONT>            /**<a name="line.65"></a>
<FONT color="green">066</FONT>             * Get the given field of the passed in object from its class or the first superclass that<a name="line.66"></a>
<FONT color="green">067</FONT>             * declares it.<a name="line.67"></a>
<FONT color="green">068</FONT>             * <a name="line.68"></a>
<FONT color="green">069</FONT>             * @param aObject<a name="line.69"></a>
<FONT color="green">070</FONT>             *            any object will do<a name="line.70"></a>
<FONT color="green">071</FONT>             * @return the fields for the class of the object<a name="line.71"></a>
<FONT color="green">072</FONT>             * @throws NoSuchFieldException <a name="line.72"></a>
<FONT color="green">073</FONT>             */<a name="line.73"></a>
<FONT color="green">074</FONT>            public static Field getField(final Object aObject, final String aName)<a name="line.74"></a>
<FONT color="green">075</FONT>                            throws NoSuchFieldException {<a name="line.75"></a>
<FONT color="green">076</FONT>                    return getField(aObject.getClass(), aName);<a name="line.76"></a>
<FONT color="green">077</FONT>            }<a name="line.77"></a>
<FONT color="green">078</FONT>    <a name="line.78"></a>
<FONT color="green">079</FONT>            /**<a name="line.79"></a>
<FONT color="green">080</FONT>             * Get the given field from the class or the first superclass that declares it.<a name="line.80"></a>
<FONT color="green">081</FONT>             * <a name="line.81"></a>
<FONT color="green">082</FONT>             * @param aClass<a name="line.82"></a>
<FONT color="green">083</FONT>             *            any class will do<a name="line.83"></a>
<FONT color="green">084</FONT>             * @return the fields for the class of the object<a name="line.84"></a>
<FONT color="green">085</FONT>             * @throws NoSuchFieldException <a name="line.85"></a>
<FONT color="green">086</FONT>             */<a name="line.86"></a>
<FONT color="green">087</FONT>            public static Field getField(final Class&lt;?&gt; aClass, final String aName)<a name="line.87"></a>
<FONT color="green">088</FONT>                            throws NoSuchFieldException {<a name="line.88"></a>
<FONT color="green">089</FONT>                    try {<a name="line.89"></a>
<FONT color="green">090</FONT>                            return aClass.getDeclaredField(aName);<a name="line.90"></a>
<FONT color="green">091</FONT>                    }<a name="line.91"></a>
<FONT color="green">092</FONT>                    catch (NoSuchFieldException e) {<a name="line.92"></a>
<FONT color="green">093</FONT>                            if (aClass.getSuperclass() == null) {<a name="line.93"></a>
<FONT color="green">094</FONT>                                    throw e;<a name="line.94"></a>
<FONT color="green">095</FONT>                            }<a name="line.95"></a>
<FONT color="green">096</FONT>                            <a name="line.96"></a>
<FONT color="green">097</FONT>                            return getField(aClass.getSuperclass(), aName);<a name="line.97"></a>
<FONT color="green">098</FONT>                    }<a name="line.98"></a>
<FONT color="green">099</FONT>            }<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>            /**<a name="line.101"></a>
<FONT color="green">102</FONT>             * Search for an annotation of the specified type starting on the given class and tracking back<a name="line.102"></a>
<FONT color="green">103</FONT>             * the inheritance hierarchy. Only parent classes are tracked back, no implemented interfaces.<a name="line.103"></a>
<FONT color="green">104</FONT>             * <a name="line.104"></a>
<FONT color="green">105</FONT>             * @param &lt;T&gt;<a name="line.105"></a>
<FONT color="green">106</FONT>             *            the annotation type<a name="line.106"></a>
<FONT color="green">107</FONT>             * @param aAnnotation<a name="line.107"></a>
<FONT color="green">108</FONT>             *            the annotation class<a name="line.108"></a>
<FONT color="green">109</FONT>             * @param aClass<a name="line.109"></a>
<FONT color="green">110</FONT>             *            the class to start searching on<a name="line.110"></a>
<FONT color="green">111</FONT>             * @return the annotation or {@code null} if it could not be found<a name="line.111"></a>
<FONT color="green">112</FONT>             */<a name="line.112"></a>
<FONT color="green">113</FONT>            public static &lt;T extends Annotation&gt; T getInheritableAnnotation(final Class&lt;T&gt; aAnnotation,<a name="line.113"></a>
<FONT color="green">114</FONT>                            final Class&lt;?&gt; aClass) {<a name="line.114"></a>
<FONT color="green">115</FONT>                    if (aClass.isAnnotationPresent(aAnnotation)) {<a name="line.115"></a>
<FONT color="green">116</FONT>                            return aClass.getAnnotation(aAnnotation);<a name="line.116"></a>
<FONT color="green">117</FONT>                    }<a name="line.117"></a>
<FONT color="green">118</FONT>    <a name="line.118"></a>
<FONT color="green">119</FONT>                    if (aClass.getSuperclass() != null) {<a name="line.119"></a>
<FONT color="green">120</FONT>                            return getInheritableAnnotation(aAnnotation, aClass.getSuperclass());<a name="line.120"></a>
<FONT color="green">121</FONT>                    }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>                    return null;<a name="line.123"></a>
<FONT color="green">124</FONT>            }<a name="line.124"></a>
<FONT color="green">125</FONT>    }<a name="line.125"></a>




























































</PRE>
</BODY>
</HTML>
